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The Fathom Spool is a rugged and easy to use tether spool for the Fathom and Fathom Slim ROV tethers. An integrated slip ring provides connections for up to eight tether wires, even while the spool is rotating. It’s quick to set up and use in a variety of conditions. Full IP67 water resistance means it is splash-proof, and a reversible locking handle makes it easy to transport.
The spool also includes an adjustable drag brake to provide fine control over the resistance while spooling and unspooling. A locking feature in the spool side panels allows the tether to be secured for transport.
The crank handle can be removed with a single thumb screw, allowing it to be flipped around and reinstalled for easy transportation and locking of the spool.
The Fathom Spool comes as a partially-assembled kit with some simple assembly required. It has a Binder 770 connector on both the inside and outside of the spool so that to install the tether, you just plug it into the inner Binder 770 connector, attach a few restraints, and start spooling! An included 8 meter (26 ft) extension cable provides a connection from the outer connector on the spool to your FXTI and computer.
The Fathom Spool is available in two configurations- a standard width version capable of storing up to 150m of Fathom ROV tether, and a double wide large version capable of storing up to 300m.
Does not include tether! A Fathom-X Tether Interface (FXTI) topside box is required for use, as well as a tether with an installed Binder 770 connector.
- 1 x Fathom Spool partially assembled kit
- 1 x 8 meter extension cable with Binder 770 plugs
Detailed List of Contents
Here’s a full list of the contents of the kit.
Included in Both Standard and Large Sizes:
- 2 x Frame side panel (1/2″ thick black HDPE)
- 2 x Spool flange (1/4″ thick black HDPE)
- 1 x Crank hub (black anodized aluminum)
- 1 x Slip ring cap flange (blue anodized aluminum)
- 1 x Fathom Spool Connector Guard (blue anodized aluminum)
- 1 x Crank arm (black anodized aluminum)
- 1 x Crank handle (black plastic)
- 1 x Slip ring core assembly
- 1 x 8 meter extension cable with Binder 770 plugs (yellow)
- 1 x Crank arm thumbscrew (black anodized aluminum)
- 1 x 8″ Velcro cable tie for tether extension storage
- 1 x Black plastic plug
- 2 x 1/4-20 black nylon thumbscrew for brakescrews
- 3 x White nylon cable clamps to secure tether
- 8 x M5x12 button head cap screw to secure spool flanges
- 4 x M3x6 button head cap screw
- 4 x 4-5/8″ thread forming screw
- 14 x M4x20 button head cap screw for frame construction
Standard Size Only:
- 6 x Spool standoffs, standard size (blue anodized aluminum)
- 1 x Frame handle, standard size (blue anodized aluminum)
- 2 x Frame feet, standard size
- 4 x Rubber bumper feet
- 3 x 8-1/4″ thread forming screws for cable clamps
- 12 x M5x12 button head cap screw to secure spool flanges
- 4 x M4x10 button head cap screw for rubber bumper mounting
Large Size Only:
- 2 x Spool stiffening ring (blue anodized aluminum)
- 6 x Spool standoffs, large size (blue anodized aluminum)
- 1 x Frame handle, large size (blue anodized aluminum)
- 2 x Frame feet, large size
- 6 x Rubber bumper feet
- 3 x 8-1/2″ thread forming screws for cable clamps
- 12 x M5x16 button head cap screw to secure spool flanges
- 6 x M4x10 button head cap screw for rubber bumper mounting
|Weight (Standard)||2.22 kg||4.89 lb|
|Weight (Large)||2.89 kg||6.38 lb|
|Maximum Fathom Tether Length (Standard)||150 m||492 ft|
|Maximum Fathom Slim Tether Length (Standard)||540 m||1772 ft|
|Maximum Fathom Tether Length (Large)||300 m||984 ft|
|Maximum Fathom Slim Tether Length (Large)||1080 m||3543 ft|
|Dust and Water Resistance||IP67|
|Extension Cable||8 m||26.3 ft|
Slip Ring Pinout
The slip ring wires are connected to the Binder 770 Bulkhead Connector with the following pinout: